Saprissa is stronger mentally right now than Alajuelense, and yet they fell 3-0 at their notoriously difficult home venue.Key Player: Bill Hamid Let's not complicate things here.This is a road knockout game in the CCL; MLS teams have by and large met defeat in these situations.Hamid is arguably the best goalkeeper in the CCL, and United will need him to show it tonight.Key question: Can United take advantage of Alajuelense's shaky mental state? They've lost to their arch-rival Saprissa - who also jumped ahead of La Liga into first place as a result of that win - they've lost to a club near the bottom of the standings, and they've tied a team near the bottom of the standings. Head coach Oscar Ramirez's already prickly relationship with the press has gotten worse.